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Slope efficiency measurements of a chromium-doped forsterite laser

V. Petričević, A. Seas, and R. R. Alfano

Author Affiliations

V. Petričević, A. Seas, and R. R. Alfano

Institute for Ultrafast Spectroscopy and Lasers and Center for Analysis of Structures and Interfaces, Departments of Physics and Electrical Engineering, The City College of New York, New York, New York 10031

Abstract

The slope efficiency of the continuous-wave chromium-doped forsterite (Cr:Mg2SiO4) laser has been measured by using four different output mirrors. The maximum slope efficiency of 38% was achieved with an 11% output coupler. The extrapolated limiting slope efficiency in the absence of passive losses is estimated to be 65%. This value corresponds to an intrinsic quantum efficiency of 77%, which is similar to the efficiencies determined for mature tunable solid-state laser systems.

References

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